X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1RKD1RKD: RESIDUES 4-9, 44-93, 123-241 AND 254-309

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.8CRYSTALS WERE GROWN IN THE PRESENCE OF 5 MM RIBOSE, 10 MM ADP, 0.05 MM ALF4 AND 15 MM NAF USING 8.8-15% PEG 4000, 0.25 M MGCL2 AND 20% MPD IN 0.1 M TRIS- HCL BUFFERED TO PH 4.8.
Crystal Properties
Matthews coefficientSolvent content
2.233.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.201α = 90
b = 62.492β = 90
c = 337.8γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHBENT MIRROR1998-05-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X11EMBL/DESY, HAMBURGX11

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.251399.10.0721745597926
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.252.2998.80.2913.94

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1RKD: RESIDUES 4-9, 44-93, 123-241 AND 254-3092.2513559792815990.2280.265RANDOM24.4
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
1.635.01-6.64
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.4
c_angle_deg1.4
c_improper_angle_d0.81
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.4
c_angle_deg1.4
c_improper_angle_d0.81
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8972
Nucleic Acid Atoms
Solvent Atoms409
Heterogen Atoms172

Software

Software
Software NamePurpose
AMoREphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling